<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>
<style>
#top{
	width:700px;
	height:200px;
	background-color:#3FF
	}
 #left{
	 width:100px;
	 height:500px;
	 background-color:#F00;
	 float:left;
	 }
#center{
	width:500px;
	height:500px;
	background-color:#9CF;
	float:left;
	}
#right{
	width:100px;
	height:500px;
	background-color:#F00;
	float:right;
	}
#bottom{
	width:700px;
	height:200px;
	background-color:#3FF;
	float:left;
	}	
	#father{
		width:700px;
		}
	 
</style>

<body>
<div id="father">
  <div id="top"></div>
  <div id="left"></div>
  <div id="center"></div>
  <div id="right"></div>
  <div id="bottom"></div>
</div>
</body>
</html>
